Vacuum device



FIG. 1 is a perspective view of an ornamental design for a vacuum device;

FIG. 2 is an exterior perspective view of a right hemisphere of an ornamental design for a vacuum device;

FIG. 3 is an interior perspective view of a right hemisphere of an ornamental design for a vacuum device;

FIG. 4 is a top plan view of a right hemisphere of an ornamental design for a vacuum device;

FIG. 5 is an external perspective view of a left hemisphere of an ornamental design for a vacuum device;

FIG. 6 is an internal perspective view of a left hemisphere of an ornamental design for a vacuum device; and,

FIG. 7 is a top plan view of a left hemisphere of an ornamental design for a vacuum device.

The broken lines showing portions of a vacuum device are included for the purpose of illustrating environmental structures and form no part of the claimed design. 

The design for a vacuum device, as shown and described herein. 